The Society for the Study of Christian Ethics has links with societies in mainland Europe and the U.S:
Societas Ethica was founded in 1964 in Basle, Switzerland and now has 270 members from over 20 countries. It holds an annual conference, and publishes a journal, Ethical Theory and Moral Practice.
The Society of Christian Ethics is based in the United States. It holds an annual conference each January, and publishes the Journal of the Society of Christian Ethics, published twice a year by Georgetown University Press.